cannot scan covid-19 EU vaccine passport

[nolash]

I've a covid 19 vaccination passport scanned from paper on 600 dpi, and clipped away all other information on the sheet. zbarimg just says there were 0 images scanned.

using 0.23.1

[maslick]

You can try to scan and decode your covid 19 with my OSS project named Koder. It is based on zbar 0.23.90 (compiled into WebAssembly). Here's the demo: https://qr.maslick.tech